SY0-501 · Question #476
SY0-501 Question #476: Real Exam Question with Answer & Explanation
The correct answer is A: Symmetric algorithm. When encrypting large volumes of data for transmission, symmetric encryption is the preferred method due to its computational efficiency compared to asymmetric alternatives.
Question
Two users must encrypt and transmit large amounts of data between them. Which of the following should they use to encrypt and transmit the data?
Options
- ASymmetric algorithm
- BHash function
- CDigital signature
- DObfuscation
Explanation
When encrypting large volumes of data for transmission, symmetric encryption is the preferred method due to its computational efficiency compared to asymmetric alternatives.
Common mistakes.
- B. Hash functions are one-way mathematical operations that produce a fixed-length digest and cannot be reversed or used to decrypt data, making them unsuitable for encrypting and transmitting data.
- C. Digital signatures use asymmetric cryptography to verify the authenticity and integrity of data but do not encrypt the actual content of a message for confidentiality.
- D. Obfuscation simply makes data harder to read or understand (e.g., encoding or renaming variables) but does not provide true cryptographic security or protect data during transmission.
Concept tested. Symmetric encryption for bulk data transmission
Reference. https://learn.microsoft.com/en-us/azure/security/fundamentals/encryption-overview
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